17 hail, 13 thunderstorm wind, 1 lightning, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Cleveland, OH wrote its last area forecast discussion before the first event at Jun 24, 2:30 PM EST, 2 hours 11 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CLEVELAND OH 330 PM EDT THU JUN 24 2004 .DISCUSSION... CDFNT PROGRESSING THRU CWA AS EXPECTED THIS AFTERNOON BUT PASSAGE SO FAR HAS BEEN DRY (EXCEPT FOR LONE SHWR THAT JUST POPPED UP EAST OF FDY). PCPN ASOCD WITH SYSTEM IS BEHIND THE FRONT AND STILL ACRS CNTRL MI TO NRN IL. LOOP OF PCPN COVERAGE THRU THE DAY SHOWS SOME SHRINKAGE. XPC WITH LIS ACRS THE CWA ARND -3 OR SO XPC SCT TSTMS MAINLY RIGHT ALG THE CDFNT. SOME STORMS COULD PRODUCE GUSTY WINDS GVN STRENGTH OF MID/UPPR FLOW AND DRY AIR ALF WHICH INCREASES DOWNBURST POTENTIAL. WL CARRY LKLY POPS ACRS MOST OF THE AREA FOR TNGT AS PCPN BAND MOVES INTO THE AREA BHND THE FRONT. WL KP TSTM ACTVTY LIMITED TO THE EVG HOURS. FOR FRIDAY THERE COULD BE LEFTOVER SHWRS MAINLY SERN COUNTIES OTRW SHOULD BE INCREASING AMTS OF SS THRU THE DAY. MCLR/PC FOR FRI NIGHT AND PC SAT. DRY WX CONTS THRU MOST OF PD AS SFC HIGH BLDS INTO THE RGN. && .CLE WATCHES/WARNINGS/ADVISORIES... OH...NONE. PA...NONE. && TK
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CLEVELAND OH 500 AM EDT THU JUN 24 2004 OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-251200- ASHLAND OH-ASHTABULA INLAND OH-ASHTABULA LAKESHORE OH-CRAWFORD PA- CRAWFORD OH-CUYAHOGA OH-ERIE OH-GEAUGA OH-HANCOCK OH-HOLMES OH- HURON OH-KNOX OH-LAKE OH-LORAIN OH-LUCAS OH-MAHONING OH-MARION OH- MEDINA OH-MORROW OH-NORTHERN ERIE PA-OTTAWA OH-PORTAGE OH- RICHLAND OH-SANDUSKY OH-SENECA OH-SOUTHERN ERIE PA-STARK OH- SUMMIT OH-TRUMBULL OH-WAYNE OH-WOOD OH-WYANDOT OH- INCLUDING THE CITIES OF...AKRON...ASHLAND...ASHTABULA... BOWLING GREEN...BUCYRUS...CANTON...CHARDON...CLEVELAND...ELYRIA... ERIE...FINDLAY...FOSTORIA...FREMONT...JEFFERSON...LORAIN... MANSFIELD...MARION...MEADVILLE...MEDINA...MILLERSBURG... MOUNT GILEAD...MOUNT VERNON...NORWALK...PAINESVILLE...PORT CLINTON... RAVENNA...SANDUSKY...TIFFIN...TOLEDO...UPPER SANDUSKY...WARREN... WOOSTER AND YOUNGSTOWN 500 AM EDT THU JUN 24 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTION OF NORTHERN OHIO AND A PORTION OF NORTHWEST PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND THIS EVENING. A COLD FRONT OVER THE UPPER GREAT LAKES WILL ENTER NORTHERN OHIO THIS AFTERNOON AND EXIT THE REGION BY MIDNIGHT TONIGHT. A LINE OF THUNDERSTORMS IS EXPECTED TO DEVELOP ALONG THE FRONT THIS AFTERNOON...AND MOVE THROUGH THE ENTIRE AREA THIS EVENING. SOME OF THE STORMS ALONG THE LINE MAY BECOME SEVERE...WITH STRONG WINDS GREATER THAN 60 MPH BEING THE GREATEST RISK. LARGE HAIL IS ALSO POSSIBLE. THE MOVEMENT OF THE THUNDERSTORMS WILL BE EAST AT 45 MPH. THE BEST CHANCE FOR SEVERE THUNDERSTORMS ACROSS THE TOLEDO...CLEVELAND AND FINDLAY AREAS IS BETWEEN 3 PM AND 8 PM. THE BEST CHANCE FOR SEVERE THUNDERSTORMS IN ERIE...MANSFIELD... AKRON/CANTON AND YOUNGSTOWN IS BETWEEN 5 PM AND 10 PM. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. MRD
The Cleveland radar (KCLE), 136 km away, was scanning. The volume nearest the first event began at 21:40 UTC.
17 hail, 13 thunderstorm wind, 1 lightning. Local standard time, as filed.
Thunderstorm winds downed a few trees and large limbs near Upper Sandusky.
Penny size hail was observed.
Thunderstorm winds downed several large tree limbs.
Penny size hail was observed.
Penny size hail was observed.
Penny size hail was observed.
Nine boys ages 11 to 14 were injured when lightning struck a tree near their campsite. All of the injuries were minor. The boys were staying at a campground in Boston Township.
Thunderstorm winds toppled four utility poles near Marion.
Penny size hail was observed.
Thunderstorm winds downed over a dozen trees.
Thunderstorm winds estimated at nearly 60 mph damaged a house near Iberia.
Thunderstorm winds downed a few trees.
Penny size hail was observed.
Penny size hail was observed.
Penny size hail was observed.
Thunderstorm winds downed several large trees in Loudonville and Perrysville.
Quarter size hail was observed.
Penny size hail was observed.
Penny size hail was observed.
Thunderstorm winds estimated at 60 mph downed a few trees.
Penny size hail was observed.
Thunderstorm winds downed several trees.
A thunderstorm downburst produced winds estimated at 75 to 95 mph and caused extensive damage along a twelve mile long path from near Canal Fulton to North Canton. The first damage occurred just west of Canal Fulton near State Route 21. An intermittent damage path continued eastward through Lawrence Township, Jackson Township and North Canton. Over a thousand trees were downed along the damage path. Sixteen homes were damaged in Canal Fulton with most of the damage caused by fallen trees. A small house was destroyed by two fallen trees in Canton Township. Several other homes along the damage path sustained minor damage. Many vehicles were also damaged and over 19,000 people lost power as a result of this storm.
Thunderstorm winds downed trees near Dalton, Shreve and Kidron.
Penny size hail was observed.
Quarter size hail was observed.
Thunderstorm winds downed several trees across Green Township.
Penny size hail was observed.
Penny size hail was observed.
Thunderstorm winds downed several trees.
Penny size hail was observed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Ohio in 2004Every state in 2004This day in weather historyWarnings in Ohio, June 2004
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5408567, 5408297, 5408816, 5408817, 5408298, 5408560, 5408820, 5408818, 5408568, 5408819, 5408300, 5408569, 5408815, 5408299, 5408561, 5408559, 5408301, 5408562, 5408563, 5408552, 5408553, 5408555, 5408557, 5408822, 5408564, 5408565, 5408556, 5408554, 5408821, 5408566, 5408558.